C# Tuto Maîtriser Unity & C#

 using UnityEngine;

public class Exemple : MonoBehaviour { void Start() { Debug.Log("Départ !"); } void Update() { /* 1x par frame / } void FixedUpdate() { / Physique (timestep fixe) / } void OnCollisionEnter(Collision col) { / Collision 3D / } void OnTriggerEnter(Collider other) { / Trigger 3D */ } }

 public class PlayerController3D : MonoBehaviour { public float speed = 5f; void Update() { float x = Input.GetAxis("Horizontal"); float z = Input.GetAxis("Vertical"); Vector3 dir = new Vector3(x, 0, z); transform.Translate(dir * speed * Time.deltaTime, Space.World); } }

 using UnityEngine;

[RequireComponent(typeof(Rigidbody2D))] public class PlayerController2D : MonoBehaviour { public float speed = 6f; Rigidbody2D rb; void Awake() { rb = GetComponent(); } void FixedUpdate() { Vector2 input = new Vector2(Input.GetAxis("Horizontal"), Input.GetAxis("Vertical")); rb.velocity = input.normalized * speed; } }

 // 3D void OnTriggerEnter(Collider other) { if (other.CompareTag("Pickup")) { /* ramasser */ } }

 using UnityEngine.UI;

public class UIHud : MonoBehaviour { public Text scoreText; int score; public void AddScore(int v) { score += v; scoreText.text = "Score: " + score; } }

 using UnityEngine; using UnityEngine.UI;

public class GameManager : MonoBehaviour { public static GameManager I; public Text scoreText; int score;

 
void Awake() { I = this; UpdateUI(); }
public void AddScore(int v) { score += v; UpdateUI(); }
void UpdateUI() { scoreText.text = "Score: " + score; }
 

}

 using UnityEngine;

public class Collectible : MonoBehaviour { void OnTriggerEnter2D(Collider2D other) { if (other.CompareTag("Player")) { GameManager.I.AddScore(1); Destroy(gameObject); } } }

 using UnityEngine;

public class EnemyPatrol : MonoBehaviour { public Transform[] points; public float speed = 3f; int index;

 
void Update()
{
    if (points.Length == 0) return;
    Transform target = points[index];
    transform.position = Vector3.MoveTowards(transform.position, target.position, speed * Time.deltaTime);
    if (Vector3.Distance(transform.position, target.position) < 0.05f)
        index = (index + 1) % points.Length;
}
 

}

 using UnityEngine;

[RequireComponent(typeof(CharacterController))] public class PlayerRunner : MonoBehaviour { CharacterController cc; public float forwardSpeed = 8f, laneWidth = 2f, laneChangeSpeed = 10f; int lane; // -1, 0, 1

 
void Awake(){ cc = GetComponent<CharacterController>(); }
void Update()
{
    if (Input.GetKeyDown(KeyCode.LeftArrow)) lane = Mathf.Clamp(lane - 1, -1, 1);
    if (Input.GetKeyDown(KeyCode.RightArrow)) lane = Mathf.Clamp(lane + 1, -1, 1);

    Vector3 pos = transform.position;
    float targetX = lane * laneWidth;
    pos.x = Mathf.Lerp(pos.x, targetX, laneChangeSpeed * Time.deltaTime);
    transform.position = pos;

    cc.Move(Vector3.forward * forwardSpeed * Time.deltaTime);
}
 

}

 using UnityEngine; using System.Collections.Generic;

public class ObstaclePool : MonoBehaviour { public GameObject prefab; public int size = 12; public float spacing = 10f; Queue q = new Queue(); Transform player;

 
void Start()
{
    player = GameObject.FindGameObjectWithTag("Player").transform;
    for (int i=0;i<size;i++)
    {
        var go = Instantiate(prefab);
        go.SetActive(false);
        q.Enqueue(go);
    }
    for (int i=0;i<size;i++) Spawn(i * spacing + 20f);
}

void Update()
{
    foreach (var go in q)
    {
        if (go.activeSelf && go.transform.position.z < player.position.z - 10f)
        {
            go.SetActive(false);
            Spawn(player.position.z + spacing * size);
        }
    }
}

void Spawn(float z)
{
    var go = q.Dequeue();
    go.transform.position = new Vector3(Random.Range(-1,2)*2f, 0, z);
    go.SetActive(true);
    q.Enqueue(go);
}
 

}

 /Assets /Scripts /Core // Extensions, utils, events /Managers // Game, Audio, Save, UI /Gameplay // Player, Enemies, Items /Data // ScriptableObjects /UI // View + Presenter /Prefabs /Scenes // Boot, MainMenu, Level01, UI /Art // Models, Textures, Animations /Audio

 public class AudioManager : MonoBehaviour { public static AudioManager I { get; private set; } void Awake(){ if (I!=null && I!=this){ Destroy(gameObject); return; } I=this; DontDestroyOnLoad(gameObject); } }

 using System;

public static class GameEvents { public static Action OnGameOver; public static void RaiseGameOver() => OnGameOver?.Invoke(); }

 [CreateAssetMenu(menuName="Data/EnemyStats")] public class EnemyStats : ScriptableObject { public string id; public int hp; public float speed; public int scoreValue; }

 using UnityEngine.SceneManagement; // Depuis une scène Boot SceneManager.LoadScene("UI", LoadSceneMode.Additive); SceneManager.LoadScene("Level01", LoadSceneMode.Additive);

 public enum EnemyState { Idle, Patrol, Chase, Attack }

 using UnityEngine; using UnityEngine.AI;

[RequireComponent(typeof(NavMeshAgent))] public class EnemyChase : MonoBehaviour { public Transform target; NavMeshAgent agent; void Awake(){ agent = GetComponent(); } void Update(){ if (target) agent.SetDestination(target.position); } }

 [System.Serializable] public class SaveData { public int highScore; public float volume; }

public static class SaveSystem { static string Path => Application.persistentDataPath + "/save.json";

 
public static void Save(SaveData data)
{
    var json = JsonUtility.ToJson(data);
    System.IO.File.WriteAllText(Path, json);
}
public static SaveData Load()
{
    if (System.IO.File.Exists(Path))
        return JsonUtility.FromJson<SaveData>(System.IO.File.ReadAllText(Path));
    return new SaveData();
}
 

}

 // Exemple d'appel (après installation du package Addressables) using UnityEngine.AddressableAssets; using UnityEngine.ResourceManagement.AsyncOperations;

public class Loader : MonoBehaviour { public string key = "enemy01"; void Start() { Addressables.LoadAssetAsync(key).Completed += OnLoaded; } void OnLoaded(AsyncOperationHandle h) { if (h.Status == AsyncOperationStatus.Succeeded) Instantiate(h.Result); } }

 using NUnit.Framework; public class MathTests { [Test] public void Clamp_Works(){ Assert.AreEqual(5, Mathf.Clamp(6,0,5)); } }

 public static class ComponentExt { public static T GetOrAdd(this GameObject go) where T: Component { var c = go.GetComponent(); return c ? c : go.AddComponent(); } }

 public class SimpleTimer { float start; public void Start(){ start = Time.time; } public float Elapsed => Time.time - start; }

 void OnDrawGizmosSelected() { Gizmos.color = Color.yellow; Gizmos.DrawWireSphere(transform.position, 3f); }